Overview
The HMC427ALP3ETR is a high-performance, broadband digital attenuator produced by Analog Devices Inc. This component is designed to provide precise attenuation control over a wide frequency range, making it suitable for various RF and microwave applications. The attenuator is built using gallium arsenide (GaAs) technology and is housed in a compact, 3 mm × 3 mm, 16-lead lead frame chip scale package (LFCSP), which is RoHS compliant.
Key Specifications
| Parameter | Value |
|---|---|
| Attenuation Range | 0.5 dB to 31.5 dB in 0.5 dB steps |
| Attenuation Step Error | ±0.5 dB typical |
| Insertion Loss | Less than 4 dB over 0.1 GHz to 13.0 GHz |
| Input P0.1dB | 22 dBm typical |
| Input IP3 | 45 dBm typical |
| RF Input Power Handling | 25 dBm maximum |
| Supply Voltage | −3 V to −5 V |
| Package Type | 16-lead LFCSP |
| Package Size | 3 mm × 3 mm |
Key Features
- Broadband operation from 0.1 GHz to 13.0 GHz
- Precise attenuation control in 0.5 dB steps up to 31.5 dB
- Low insertion loss and high linearity
- High RF input power handling of up to 25 dBm
- Single-supply operation with a voltage range of −3 V to −5 V
- Compact, RoHS compliant 16-lead LFCSP package
- Bidirectional attenuator
- Requires an external level shifter for TTL/CMOS interface
Applications
- Cellular infrastructure
- Microwave radios and very small aperture terminals (VSATs)
- Test equipment and sensors
- Intermediate frequency (IF) and RF designs
- Military and space applications
Q & A
- What is the attenuation range of the HMC427ALP3ETR?
The attenuation range is from 0.5 dB to 31.5 dB in 0.5 dB steps. - What is the typical insertion loss of the HMC427ALP3ETR?
The typical insertion loss is less than 4 dB over the specified frequency range. - What is the maximum RF input power handling of the HMC427ALP3ETR?
The maximum RF input power handling is 25 dBm. - What is the supply voltage range for the HMC427ALP3ETR?
The supply voltage range is from −3 V to −5 V. - What type of package does the HMC427ALP3ETR come in?
The HMC427ALP3ETR comes in a 16-lead, 3 mm × 3 mm LFCSP package. - Is the HMC427ALP3ETR RoHS compliant?
Yes, the HMC427ALP3ETR is RoHS compliant. - What are the typical applications of the HMC427ALP3ETR?
The typical applications include cellular infrastructure, microwave radios, VSATs, test equipment, IF and RF designs, and military and space applications. - Does the HMC427ALP3ETR require an external level shifter for TTL/CMOS interface?
Yes, it requires an external level shifter for TTL/CMOS interface. - What is the input P0.1dB of the HMC427ALP3ETR?
The input P0.1dB is typically 22 dBm. - What is the input IP3 of the HMC427ALP3ETR?
The input IP3 is typically 45 dBm.
